sproto: check args

2026-07-24 03:53:09 +00:00 · 2016-03-29 12:34:55 +08:00
parent cf50a582f2
commit c4b45acae3
1 changed files with 3 additions and 0 deletions
--- a/lualib-src/sproto/lsproto.c
+++ b/lualib-src/sproto/lsproto.c
@@ -532,6 +532,9 @@ lprotocol(lua_State *L) {
 		lua_pushstring(L, name);
 	} else {
 		const char * name = lua_tostring(L, 2);
+		if (name == NULL) {
+			return luaL_argerror(L, 2, "Should be number or string");
+		}
 		tag = sproto_prototag(sp, name);
 		if (tag < 0)
 			return 0;